Tree stand



FIG. 1 is a perspective view of a tree stand showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof, shown in folded position.

The broken lines shown in the drawings represent portions of the treestand that form no part of the claimed design.

The ornamental design for a tree stand, as shown and described.